Sweetwater Regional Park Weather Forecast

    • 53
    • 70

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 58
    • 79

    Sunny

Today 9 Mar San Diego County Coastal Areas

Partly cloudy. A slight chance of Showers this afternoon. Cooler. Highs 65 to 68 near the coast to 70 inland. Areas of Winds south to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 9 Mar San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 48 to 53. Areas of Winds west to 10 Mph this evening becoming light.

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Sweetwater Regional Park Temperature Statistics

March Temperature

San Diego, Brown Field Municipal Airport (6.8 miles)

  • Lowest 6 March, 2026

    46.9 °F

  • Average March

    60.6 °F

  • Highest 1 March, 2026

    84 °F

Climate (2021–Present)

San Diego, Brown Field Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    74 °F
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